declare namespace Ext {
    export namespace ux {
        export interface SpotlightConfig {
            animate?: boolean;
            duration?: number;
            easing?: string;
        }

        export class Spotlight extends Ext.Base  {
            public applyBounds(animate?: boolean, reverse?: boolean): void;
            public createElements(): void;
            public hide(callback?: object, scope?: object): void;
            public show(el?: object, callback?: object, scope?: object): void;
            public syncSize(): void;
        }
    }
}